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20553315205130 = 252055331520513
BaseRepresentation
bin1001010110001011100010…
…00011010100000000001010
32200202212200212122021000022
410223011301003110000022
510143221142143031010
6111414021311140442
74220633211455141
oct453056103240012
980685625567008
1020553315205130
116604680678234
12237b453814722
13b61227c78666
14510b001c8758
1525998b416d55
hex12b1710d400a

20553315205130 has 8 divisors (see below), whose sum is σ = 36995967369252. Its totient is φ = 8221326082048.

The previous prime is 20553315205009. The next prime is 20553315205201. The reversal of 20553315205130 is 3150251335502.

It can be written as a sum of positive squares in 2 ways, for example, as 19602676555081 + 950638650049 = 4427491^2 + 975007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027665760247 + ... + 1027665760266.

Almost surely, 220553315205130 is an apocalyptic number.

20553315205130 is a deficient number, since it is larger than the sum of its proper divisors (16442652164122).

20553315205130 is a wasteful number, since it uses less digits than its factorization.

20553315205130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055331520520.

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 20553315205130 in words is "twenty trillion, five hundred fifty-three billion, three hundred fifteen million, two hundred five thousand, one hundred thirty".

Divisors: 1 2 5 10 2055331520513 4110663041026 10276657602565 20553315205130